Google Brain Creates Technology that Can Zoom In and Enhance Pixelated Images
As Ars Techinca breaks down, the software utilizes a two different neural networks to generate the images. Easier done in fiction, of course, because a basic principle in computer graphics is that you can't extract more data, that is, a higher resolution image, out of a very low res image.
Input: left column. Fourth column: the original image.
The way Google Brain handles this task is it first compares the 64-pixel source with other higher resolution images which were downsized to the same 8×8 grid.
The team at Google Brain has made an impressive breakthrough for increasing the resolution of images. The middle column shows what Google was able to derive from the pixelated images.
The finished product from the prior network and the conditioning network is combined into one to produce variations.
Once the first AI network has completed its role, the Google researchers use the PixelCNN to add extra pixels to the 8x8 image. The network then adds new pixels one by one in a way that matches what the machine already knows.
To create the final super-resolution image, the outputs from the two neural networks are mashed together. It then created a probability distribution for each lower-resolution pixel, essentially building a map of likelihoods for what each chunky pixel might contain. ArsTechnica references an example of a brown pixel being identified as an eyebrow, which Google Brain fills in with eyebrow-like pixels. Usually, this results in a plausible and probable result.
There's obviously a ways to go before this implementation could push for mainstream use, but now that we know image-enhancing is indeed a possibility, crime shows can at least have something to fall back on when accused of the trope.
More impressively, Google Brain's technique was successful in real-word testing. Human observers were shown the resulting upscaled computed image. When human observers were shown a real high-resolution celebrity face vs. the upscaled computed image, they were fooled 10 percent of the time (50 percent would be a flawless score).
One of the best videos of all time. I wonder too, if this sort of algorithmic method will make it possible to upscale a lot of old images in the future, to something resembling high-resolution. The added details-known as "hallucinations" in image processing jargon-are a best guess and nothing more. The results might not be flawless as it is in Hollywood, but it could help to narrow down the list of suspects.
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The upturn in PMI reflected strong rates of output and new order growth in January, alongside a sustained rise in staffing levels. Input buying rose markedly, adding to the strain on supplier, while input costs continued to rise sharply.
He also laid out a rough timeline for the massive project, saying he hoped the wall would be completed within the next two years. The plan is to build the wall where it's needed first and then fill it in, Kelly believed.
His behavior throughout his Sacramento Kings career has led to some calling for his trade, perhaps as early as the next few weeks. Not a great night of work for the Kings' star. "That's tough, especially after how hard we played last game", Collison said.
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Madonna filed for the adoption of the two girls this year but later refuted claims that she was looking to expand her family. Then in 2009 she adopted a second Malawian child, a girl Mercy James, after she had split from the Snatch director.
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Susan Collins of ME and Alaska's Lisa Murkowski are the first Republicans to vote against one of President Trump's Cabinet picks. In her hearing, she declined to commit to Title IX gender discrimination protections put in place by President Obama.
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With that in mind, here's a look at some the 2017 Super Bowl commercials that have already been released ahead of Sunday's game. For those of you looking to occupy your mind with something else during Super Bowl 51, we've got you covered.
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We're going to be putting it in fairly soon. "I would like to say by the end of the year, at least the rudiments", he said . If he sticks by that, pushing a replacement plan into next year could mean delaying passing a repeal bill as well.
PS4 Pro: A new boost mode further increases its capabilities
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Altria recalls smokeless tobacco products
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Facebook's revenue jumped 54 per cent in 2016
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